在健康的年轻男性中,呼吸口压与腹肌活动之间的关联
Kentaro Chino1,2, Toshiyuki Ohya3, Yasuhiro Suzuki4
1Department of Health and Physical Education, Faculty of Human Development, Kokugakuin University, Kanagawa, Japan. chinokentaro@kokugakuin.ac.jp.
强迫呼吸涉及所有腹部肌肉,斜内肌 (OI) 和横腹肌 (TrA) 比直腹肌 (RA) 和斜外肌 (OE) 贡献更多. 这就是TRA.
科学领域:
- 身体生理学 身体生理学
- 生物力学 生物力学
- 运动科学 运动科学
背景情况:
- 腹肌在呼吸机制中的作用对于强迫呼气至关重要.
- 了解不同腹部肌群对呼气力度的具体贡献,对于呼吸系统的健康和性能至关重要.
研究的目的:
- 为了研究强迫呼吸和腹肌活动之间的关联.
- 评估呼吸口腔压力和健康年轻男性关键腹肌的电肌图活动之间的关系.
主要方法:
- 25名健康的男性在最大口压的不同百分比下进行了强制呼吸.
- 表面电肌图测量了直肠腹部 (RA),斜腹部外侧/内侧腹部 (OE/OI) 和OI/横腹部 (OI/TrA) 的活性.
- 腹部运动 (,扭曲,空洞化) 也进行了比较.
主要成果:
- 在口腔压力和腹肌活动之间观察到强烈的线性关系 (r2值:RA 0.86,OE/OI 0.93,OE/TrA 0.90).
- 与RA和OE/OI相比,OI/TrA组在这种关系中表现出明显更大的斜率.
- 最大强迫到期显示OE/OI活动低于扭曲缩,在OE/TrA活动中没有显著差异.
结论:
- 所有腹部肌肉都有助于强迫呼吸.
- 斜内侧 (OI) 和横腹 (TrA) 比直腹 (RA) 和斜外侧 (OE) 发挥更重要的作用.
- 腹部横侧 (TrA) 似乎比内侧斜侧 (OI) 有更大的贡献.
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